| ITEMS | STANDARD |
| Appearance | White crystalline powder |
| Assay | Gallic acid |
| Mesh Size | 100% pass 80mesh |
| Residue on Ignition | =<0.2% |
| Loss on Drying | =<9.0% |
| Heavy Metal | =<10ppm |
| Pb | =<2ppm |
| Total Plate Count | =<1000cfu/g |
| Yeast&Mold | =<100cfu/g |
| E.coil | Negative |
| Salmonella | Negative |